First used by the macgregor clan in olden day dogging circles. Macgregor barking is when a group of men surround a car with a couple having sex in it and bark like dogs while they pleasure themselves.
Hey dude! Did you enjoy that macgregoring we did last night...WOOF WOOF!! Yea dude! Macgregor barking is the shit!!
by creamy windscreens November 13, 2007
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